Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 5000 m 7000 m 4000 m 6000 m 5000 m 7000 m 4000 m 6000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The declination and right ascension of the sun becomes 23° 27' N and 90° respectively on June 21 March 21 December 22 September 21 June 21 March 21 December 22 September 21 ANSWER DOWNLOAD EXAMIANS APP
Surveying The following sights are taken on a “turning point” foresight only foresight only foresight and intermediate sight foresight and backsight foresight only foresight only foresight and intermediate sight foresight and backsight ANSWER DOWNLOAD EXAMIANS APP
Surveying The nearest star is so far away from the earth that the directions to it from two diametrically opposite points on the earth differs less than 0.0001 second None of these 0.001 second 0.01 second 0.0001 second None of these 0.001 second 0.01 second ANSWER DOWNLOAD EXAMIANS APP
Surveying If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is 75 m 50 m 7.5 m 25 m 75 m 50 m 7.5 m 25 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The principal plane contains Principal point All of these Iso-centre Nadir point Principal point All of these Iso-centre Nadir point ANSWER DOWNLOAD EXAMIANS APP